Add "Run" prefix for unnamed action steps (#36624)

Steps defined with `run:` or `uses:` without an explicit `name:` now
display with a "Run <cmd>" prefix in the Actions log UI, matching GitHub
Actions behavior.

<img width="311" height="236" alt="image"
src="https://github.com/user-attachments/assets/9fde83f5-c43a-4732-ac55-0f4e1fbc1314"
/>

---------

Signed-off-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

models/actions/task.go

@@ -8,6 +8,7 @@ import (
 	"crypto/subtle"
 	"errors"
 	"fmt"
+	"strings"
 	"time"
 
 	auth_model "code.gitea.io/gitea/models/auth"
@@ -20,6 +21,7 @@ import (
 
 	runnerv1 "code.gitea.io/actions-proto-go/runner/v1"
 	lru "github.com/hashicorp/golang-lru/v2"
+	"github.com/nektos/act/pkg/jobparser"
 	"google.golang.org/protobuf/types/known/timestamppb"
 	"xorm.io/builder"
 )
@@ -214,6 +216,20 @@ func GetRunningTaskByToken(ctx context.Context, token string) (*ActionTask, erro
 	return nil, errNotExist
 }
 
+func makeTaskStepDisplayName(step *jobparser.Step, limit int) (name string) {
+	if step.Name != "" {
+		name = step.Name // the step has an explicit name
+	} else {
+		// for unnamed step, its "String()" method tries to get a display name by its "name", "uses",
+		// "run" or "id" (last fallback), we add the "Run " prefix for unnamed steps for better display
+		// for multi-line "run" scripts, only use the first line to match GitHub's behavior
+		// https://github.com/actions/runner/blob/66800900843747f37591b077091dd2c8cf2c1796/src/Runner.Worker/Handlers/ScriptHandler.cs#L45-L58
+		runStr, _, _ := strings.Cut(strings.TrimSpace(step.Run), "\n")
+		name = "Run " + util.IfZero(strings.TrimSpace(runStr), step.String())
+	}
+	return util.EllipsisDisplayString(name, limit) // database column has a length limit
+}
+
 func CreateTaskForRunner(ctx context.Context, runner *ActionRunner) (*ActionTask, bool, error) {
 	ctx, committer, err := db.TxContext(ctx)
 	if err != nil {
@@ -293,9 +309,8 @@ func CreateTaskForRunner(ctx context.Context, runner *ActionRunner) (*ActionTask
 	if len(workflowJob.Steps) > 0 {
 		steps := make([]*ActionTaskStep, len(workflowJob.Steps))
 		for i, v := range workflowJob.Steps {
-			name := util.EllipsisDisplayString(v.String(), 255)
 			steps[i] = &ActionTaskStep{
-				Name:   name,
+				Name:   makeTaskStepDisplayName(v, 255),
 				TaskID: task.ID,
 				Index:  int64(i),
 				RepoID: task.RepoID,

models/actions/task_step.go

@@ -14,7 +14,7 @@ import (
 // ActionTaskStep represents a step of ActionTask
 type ActionTaskStep struct {
 	ID        int64
-	Name      string `xorm:"VARCHAR(255)"`
+	Name      string `xorm:"VARCHAR(255)"` // the step name, for display purpose only, it will be truncated if it is too long
 	TaskID    int64  `xorm:"index unique(task_index)"`
 	Index     int64  `xorm:"index unique(task_index)"`
 	RepoID    int64  `xorm:"index"`

models/actions/task_test.go

@@ -0,0 +1,76 @@
+// Copyright 2026 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package actions
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/nektos/act/pkg/jobparser"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestMakeTaskStepDisplayName(t *testing.T) {
+	tests := []struct {
+		name     string
+		jobStep  *jobparser.Step
+		expected string
+	}{
+		{
+			name: "explicit name",
+			jobStep: &jobparser.Step{
+				Name: "Test Step",
+			},
+			expected: "Test Step",
+		},
+		{
+			name: "uses step",
+			jobStep: &jobparser.Step{
+				Uses: "actions/checkout@v4",
+			},
+			expected: "Run actions/checkout@v4",
+		},
+		{
+			name: "single-line run",
+			jobStep: &jobparser.Step{
+				Run: "echo hello",
+			},
+			expected: "Run echo hello",
+		},
+		{
+			name: "multi-line run block scalar",
+			jobStep: &jobparser.Step{
+				Run: "\n  echo hello  \r\n  echo world  \n  ",
+			},
+			expected: "Run echo hello",
+		},
+		{
+			name: "fallback to id",
+			jobStep: &jobparser.Step{
+				ID: "step-id",
+			},
+			expected: "Run step-id",
+		},
+		{
+			name: "very long name truncated",
+			jobStep: &jobparser.Step{
+				Name: strings.Repeat("a", 300),
+			},
+			expected: strings.Repeat("a", 252) + "…",
+		},
+		{
+			name: "very long run truncated",
+			jobStep: &jobparser.Step{
+				Run: strings.Repeat("a", 300),
+			},
+			expected: "Run " + strings.Repeat("a", 248) + "…",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := makeTaskStepDisplayName(tt.jobStep, 255)
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}

routers/web/repo/actions/view.go

@@ -27,6 +27,7 @@ import (
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/storage"
 	"code.gitea.io/gitea/modules/templates"
+	"code.gitea.io/gitea/modules/translation"
 	"code.gitea.io/gitea/modules/util"
 	"code.gitea.io/gitea/modules/web"
 	"code.gitea.io/gitea/routers/common"
@@ -302,7 +303,7 @@ func ViewPost(ctx *context_module.Context) {
 	resp.State.CurrentJob.Steps = make([]*ViewJobStep, 0) // marshal to '[]' instead fo 'null' in json
 	resp.Logs.StepsLog = make([]*ViewStepLog, 0)          // marshal to '[]' instead fo 'null' in json
 	if task != nil {
-		steps, logs, err := convertToViewModel(ctx, req.LogCursors, task)
+		steps, logs, err := convertToViewModel(ctx, ctx.Locale, req.LogCursors, task)
 		if err != nil {
 			ctx.ServerError("convertToViewModel", err)
 			return
@@ -314,7 +315,7 @@ func ViewPost(ctx *context_module.Context) {
 	ctx.JSON(http.StatusOK, resp)
 }
 
-func convertToViewModel(ctx *context_module.Context, cursors []LogCursor, task *actions_model.ActionTask) ([]*ViewJobStep, []*ViewStepLog, error) {
+func convertToViewModel(ctx context.Context, locale translation.Locale, cursors []LogCursor, task *actions_model.ActionTask) ([]*ViewJobStep, []*ViewStepLog, error) {
 	var viewJobs []*ViewJobStep
 	var logs []*ViewStepLog
 
@@ -344,7 +345,7 @@ func convertToViewModel(ctx *context_module.Context, cursors []LogCursor, task *
 					Lines: []*ViewStepLogLine{
 						{
 							Index:   1,
-							Message: ctx.Locale.TrString("actions.runs.expire_log_message"),
+							Message: locale.TrString("actions.runs.expire_log_message"),
 							// Timestamp doesn't mean anything when the log is expired.
 							// Set it to the task's updated time since it's probably the time when the log has expired.
 							Timestamp: float64(task.Updated.AsTime().UnixNano()) / float64(time.Second),

routers/web/repo/actions/view_test.go

@@ -0,0 +1,47 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package actions
+
+import (
+	"testing"
+
+	actions_model "code.gitea.io/gitea/models/actions"
+	"code.gitea.io/gitea/modules/timeutil"
+	"code.gitea.io/gitea/modules/translation"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestConvertToViewModel(t *testing.T) {
+	task := &actions_model.ActionTask{
+		Status: actions_model.StatusSuccess,
+		Steps: []*actions_model.ActionTaskStep{
+			{Name: "Run step-name", Index: 0, Status: actions_model.StatusSuccess, LogLength: 1, Started: timeutil.TimeStamp(1), Stopped: timeutil.TimeStamp(5)},
+		},
+		Stopped: timeutil.TimeStamp(20),
+	}
+
+	viewJobSteps, _, err := convertToViewModel(t.Context(), translation.MockLocale{}, nil, task)
+	require.NoError(t, err)
+
+	expectedViewJobs := []*ViewJobStep{
+		{
+			Summary:  "Set up job",
+			Duration: "0s",
+			Status:   "success",
+		},
+		{
+			Summary:  "Run step-name",
+			Duration: "4s",
+			Status:   "success",
+		},
+		{
+			Summary:  "Complete job",
+			Duration: "15s",
+			Status:   "success",
+		},
+	}
+	assert.Equal(t, expectedViewJobs, viewJobSteps)
+}